CN108010613A - A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure - Google Patents
A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure Download PDFInfo
- Publication number
- CN108010613A CN108010613A CN201711214375.8A CN201711214375A CN108010613A CN 108010613 A CN108010613 A CN 108010613A CN 201711214375 A CN201711214375 A CN 201711214375A CN 108010613 A CN108010613 A CN 108010613A
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- China
- Prior art keywords
- core
- fan
- shaped
- fireprotection layer
- bending resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
Landscapes
- Insulated Conductors (AREA)
Abstract
The present invention relates to a kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure, some first cores including even distribution, fan-shaped fireprotection layer is extruded between the first adjacent core, the second core is equipped with fan-shaped fireprotection layer, the elastic strip of several even distributions is circumferentially extruded with second core, elastic strip is connected on fan-shaped fireprotection layer, and the first core, the outside of fan-shaped fireprotection layer are coated with the belting layer set gradually from inside to outside, wire armoring, oversheath jointly；No.1 filler, No. two fillers are equipped with belting layer.The present invention has outstanding bending resistance pressure performance, effectively protects the safety of cable internal structure, multi-insulation and fire-proof heat-insulating material are used inside cable; and internal core is separated; the resistance to elevated temperatures and insulation performance of cable are improved, improves cable service life, it is ensured that the safety of electric power transport.
Description
Technical field
The present invention relates to field of cables, specifically a kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure.
Background technology
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Daily cable is easily bent and turns round and draw cable when being laid with, and after pulling for a long time, easily damages the core inside cable, causes
It is destroyed core structure, simultaneously as working environment is extreme and severe, to the resistance to elevated temperatures and fire protecting performance of power cable
It is it is required that high.
The content of the invention
In order to avoid proposing a kind of polyvinyl chloride insulation high temperature resistant of bending resistance pressure with solution above-mentioned technical problem, the present invention
Power cable.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure, includes some first cores of even distribution, phase
Fan-shaped fireprotection layer is extruded between the first adjacent core, the second core, second core are equipped with the sector fireprotection layer
On be circumferentially extruded with the elastic strips of several even distributions, the material of the elastic strip is rubber, and the elastic strip is connected to
On fan-shaped fireprotection layer, first core, the outside of fan-shaped fireprotection layer be coated with jointly set gradually from inside to outside belting layer,
Wire armoring, oversheath.
First core includes No.1 conductor, the No.1 insulating layer being coated on outside No.1 conductor, the second core bag
No. two insulating layers for include No. two conductors, being coated on outside No. two conductors.
No.1 filler is equipped between the belting layer and the first core, between belting layer and fan-shaped fireprotection layer, it is described
No. two fillers are equipped between fan-shaped fireprotection layer and the second core.
As a further improvement on the present invention, the fan-shaped fireprotection layer is made of polytetrafluoroethylene material.
As a further improvement on the present invention, the oversheath is made of silastic material.
As a further improvement on the present invention, the No.1 conductor and to include the materials of No. two conductors be oxygen-free copper.
As a further improvement on the present invention, the diameter of first core is more than the diameter of the second core.
As a further improvement on the present invention, the material of No. two fillers is glass fibre.
The beneficial effects of the invention are as follows：
Smart structural design of the present invention, has outstanding bending resistance pressure performance, avoids cable and be damaged in process of deployment,
The effectively safety of protection cable internal structure, uses multi-insulation and fire-proof heat-insulating material inside cable, and by internal core every
Open, substantially increase the resistance to elevated temperatures and insulation performance of cable, improve cable service life, be conducive to extend cable replacement week
Phase, reduces expenses, it is ensured that the safety of electric power transport.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the present invention.
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, below it is right
The present invention is expanded on further.
As shown in Figure 1, a kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure, include some of even distribution
One core 1, fan-shaped fireprotection layer 2 is extruded between the first adjacent core 1, the second core is equipped with the sector fireprotection layer 2
3, the elastic strip 4 of several even distributions is circumferentially extruded with second core 3, the material of the elastic strip 4 is rubber,
The elastic strip 4 is connected on fan-shaped fireprotection layer 2, and first core 1, the outside of fan-shaped fireprotection layer 2 are coated with by interior jointly
Belting layer 5, wire armoring 6, the oversheath 7 outwards set gradually.
Understood based on above-mentioned, the first core 1 in cable and the second core 3 are thoroughly completely cut off by fan-shaped fireprotection layer 2 and opened
Come, realize to the separately protected of every part core, can effectively reduce the loss of core in cable when fire dangerous situation occurs, elastic strip
4 use so that the bending resistance pressure energy power of cable entirety greatly enhances, greatly facilitates the erection of field circuit.
First core 1 includes No.1 conductor 11, the No.1 insulating layer 12 that is coated on outside No.1 conductor 11, and described second
Core 3 includes No. two conductors 31, No. two insulating layers 32 being coated on outside No. two conductors 31.
No.1 filler 8 is equipped between 5 and first core 1 of belting layer, between belting layer 5 and fan-shaped fireprotection layer 2.
No. two fillers 9 are equipped between sector 2 and second core 3 of fireprotection layer.
The sector fireprotection layer 2 is made of polytetrafluoroethylene material.Using material of the polytetrafluoroethylene (PTFE) as fan-shaped fireprotection layer 2
Material, can play the second internal core 3 good insulating properties and play the role of completely cutting off heat fireproof, realize internal
The multiple protective of portion's core.
The oversheath 7 is made of silastic material.
The No.1 conductor 11 and the material for including No. two conductors 31 are oxygen-free copper.The possibility that oxygen-free copper cracks
It is few, extend and good mechanical property, conductivity are high.
The diameter of first core 1 is more than the diameter of the second core 3.
The material of No. two fillers 9 is glass fibre.Good insulation performance can be played using glass fibre, and
High temperature resistant, realizes effective protection to the second core 3.
The present invention has outstanding bending resistance pressure performance, avoids cable and is damaged in process of deployment, effectively protects cable
The safety of internal structure, cable inside uses multi-insulation and fire-proof heat-insulating material, and internal core is separated, and substantially increases
The resistance to elevated temperatures and insulation performance of cable, improve cable service life, are conducive to extend the cable replacement cycle, reduce expenses,
Ensure the safety of electric power transport.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
- A kind of 1. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure, it is characterised in that：Some including even distribution One core (1), fan-shaped fireprotection layer (2) is extruded between adjacent the first core (1), is equipped with the sector fireprotection layer (2) Second core (3), the elastic strip (4) of several even distributions, the elastic strip are circumferentially extruded with second core (3) (4) it is connected on fan-shaped fireprotection layer (2), first core (1), the outside of fan-shaped fireprotection layer (2) are coated with by introversion jointly Belting layer (5), wire armoring (6), the oversheath (7) set gradually outside；First core (1) includes No.1 conductor (11), is coated on the No.1 insulating layer (12) of No.1 conductor (11) outside, described Second core (3) includes No. two conductors (31), is coated on No. two insulating layers (32) of No. two conductors (31) outside；No.1 filling is equipped between the belting layer (5) and the first core (1), between belting layer (5) and fan-shaped fireprotection layer (2) Thing (8)；No. two fillers (9) are equipped between the sector fireprotection layer (2) and the second core (3).
- A kind of 2. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure according to claim 1, it is characterised in that：Institute Fan-shaped fireprotection layer (2) is stated to be made of polytetrafluoroethylene material.
- A kind of 3. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure according to claim 1, it is characterised in that：Institute Oversheath (7) is stated to be made of silastic material.
- A kind of 4. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure according to claim 1, it is characterised in that：Institute The material stated No.1 conductor (11) and include No. two conductors (31) is oxygen-free copper.
- A kind of 5. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure according to claim 1, it is characterised in that：Institute The diameter for stating the first core (1) is more than the diameter of the second core (3).
- A kind of 6. polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure according to claim 1, it is characterised in that：Institute The material for stating No. two fillers (9) is glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214375.8A CN108010613A (en) | 2017-11-28 | 2017-11-28 | A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214375.8A CN108010613A (en) | 2017-11-28 | 2017-11-28 | A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108010613A true CN108010613A (en) | 2018-05-08 |
Family
ID=62054142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214375.8A Pending CN108010613A (en) | 2017-11-28 | 2017-11-28 | A kind of polyvinyl chloride insulation high-temperature-resistant power cable of bending resistance pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029003A (en) * | 2019-12-27 | 2020-04-17 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325473A (en) * | 2013-05-31 | 2013-09-25 | 远东电缆有限公司 | Fire-proof low smoke zero halogen medium-pressure hoisting cable for high-rise building and production process thereof |
| CN203480891U (en) * | 2013-09-13 | 2014-03-12 | 董松节 | Resistance-stable salt lake cable |
| CN205318863U (en) * | 2016-01-21 | 2016-06-15 | 江苏金陵特种电缆有限公司 | Silicon rubber insulation fire resistant power cable |
| CN206584762U (en) * | 2017-03-30 | 2017-10-24 | 广州澳通电线电缆有限公司 | Compound cable |
| CN206639604U (en) * | 2017-04-19 | 2017-11-14 | 安徽华电线缆集团有限公司 | A kind of mould proof environment-friendly type power cable of termite-resistant rodent-resistant |
-
2017
- 2017-11-28 CN CN201711214375.8A patent/CN108010613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325473A (en) * | 2013-05-31 | 2013-09-25 | 远东电缆有限公司 | Fire-proof low smoke zero halogen medium-pressure hoisting cable for high-rise building and production process thereof |
| CN203480891U (en) * | 2013-09-13 | 2014-03-12 | 董松节 | Resistance-stable salt lake cable |
| CN205318863U (en) * | 2016-01-21 | 2016-06-15 | 江苏金陵特种电缆有限公司 | Silicon rubber insulation fire resistant power cable |
| CN206584762U (en) * | 2017-03-30 | 2017-10-24 | 广州澳通电线电缆有限公司 | Compound cable |
| CN206639604U (en) * | 2017-04-19 | 2017-11-14 | 安徽华电线缆集团有限公司 | A kind of mould proof environment-friendly type power cable of termite-resistant rodent-resistant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029003A (en) * | 2019-12-27 | 2020-04-17 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
| CN111029003B (en) * | 2019-12-27 | 2021-05-11 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |